Home / 507,940.86-700,959.38-281,586.36

Finding the Fourth Proportional to 507,940.86, 700,959.38 and 281,586.36

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Solution

The fourth proportional to 507,940.86, 700,959.38 and 281,586.36 is: 388,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,940.86 : 700,959.38 = 281,586.36 : x
  2. Step 2: Convert to fraction form
    507,940.86/700,959.38 = 281,586.36/x
  3. Step 3: Cross multiply
    507,940.86x = 700,959.38 × 281,586.36
  4. Step 4: Simplify right side
    507,940.86x = 197,380,598,914.13
  5. Step 5: Solve for x
    x = 197,380,598,914.13/507,940.86
  6. Step 6: Final answer
    x = 388,589.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.